// Button sizes
.button-size(@size; @font-size;) {
  @button-line-height: (@font-size + .3rem);

  min-width: @size;
  height: @size;
  font-size: @font-size;
  line-height: @button-line-height;
  padding: ((@size - (2 * @border-width) - @button-line-height)/2) @space-sm;

  &.circle,
  &.circle:after {border-radius: (@size/2) !important}
}
